diff -r 6ca72c0fe49a -r a941bc465d9f PECengine/TransferAdapter2/Inc/MPEngSessionStatusObserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/TransferAdapter2/Inc/MPEngSessionStatusObserver.h	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: this is an observer class handling session status change
+*
+*/
+
+#ifndef __MPENGSESSIONSTATUSOBSERVER_H
+#define __MPENGSESSIONSTATUSOBSERVER_H
+
+
+//  INCLUDES
+#include    <E32Std.h>
+#include    "PEngPresenceEngineConsts2.h"
+
+// DATA TYPES
+
+
+
+// FORWARD DECLARATIONS
+
+
+// CLASS DECLARATION
+/**
+ *  Access handler of one network session
+ *
+ *  It is used to open/close network session
+ *  and register its observers
+ *
+ *  @since 3.0
+ */
+class MPEngSessionStatusObserver
+    {
+
+    public: //
+
+        /**
+         *  Handle Session status change
+         *
+         *  @since 3.0
+         *
+         *  @param new session slot state
+         *  @param new session slot event
+         */
+        virtual void StatusChangedL( TPEngNWSessionSlotState aNewState,
+                                     TPEngNWSessionSlotEvent aNewEvent ) = 0;
+
+
+    protected:  //Destructor
+
+        /**
+         *  Virtual inline destructor.
+         *  Protected destructor to prohibits deletion trough interface.
+         */
+        virtual ~MPEngSessionStatusObserver() {};
+    };
+
+
+#endif      //  __MPEngSessionStatusObserver_H
+
+//  End of File
+
+
+